6669407633 has 8 divisors (see below), whose sum is σ = 7622845440. Its totient is φ = 5716136160.

The previous prime is 6669407623. The next prime is 6669407663. The reversal of 6669407633 is 3367049666.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-6669407633 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6669407623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61328 + ... + 130766.

It is an arithmetic number, because the mean of its divisors is an integer number (952855680).

Almost surely, 2^6669407633 is an apocalyptic number.

It is an amenable number.

6669407633 is a deficient number, since it is larger than the sum of its proper divisors (953437807).

6669407633 is a wasteful number, since it uses less digits than its factorization.

6669407633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83167.

The product of its (nonzero) digits is 2939328, while the sum is 50.

The square root of 6669407633 is about 81666.4412901652. The cubic root of 6669407633 is about 1882.3299572280.

The spelling of 6669407633 in words is "six billion, six hundred sixty-nine million, four hundred seven thousand, six hundred thirty-three".